Bryant 452W User Manual
F i l, Installation instructions, Bri|ant
Table of contents
Document Outline
- Installation Instructions
- SIZE 90 Series E
- Important—Read before Installing
- GENERAL
- Multiple Chillers and Cooling Coils
- Operation at Atmospheric Pressure
- Installation
- RATiNGS AND PERFORMANCE
- I. LOCATING AND MOUNTING UNIT
- A. Mounting Base
- B. Clearances
- II. CONNECTING CHILLED-WATER LINES
- TABLE I
- A. Materials
- B. Pipe Length and Diameter
- C. Insulation
- D. Height of Coil above Absorption Unit
- E. Water Coil Connections
- TABLE II
- III. MAKING ELECTRICAL CONNECTIONS
- IV. MAKING GAS CONNECTIONS
- Figure 7 - Drip Leg Location
- Pilot
- V. CHILLED-WATER SYSTEM
- Corrosion Protection
- TABLE III
- Water Capacity in Gallons
- TABLE V
- Freezing Weather Protection
- TABLE IV
- Adjusting Chilled-Water Level
- VI. CHECKING THE UNIT OPERATION
- Control Circuit Description
- Automatic Pilot Reignition
- Cooling Operation
- Figure 9 - Model 90-452W Wiring Diagram
- Part Load Control
- High-Temperature Cutoff
- Hydraulic Pump Heater
- TABLE VI—Manifold Pressure (Inches W.C.)
- VII. ADJUSTING GAS INPUT
- VIII. BALANCING THE SYSTEM
- Figure 10 - Connecting 90-452W Chiller to Models 190- or 220-394, Series E, F, or G Furnace
- Figure 11 - Connecting 90-452W Chiller to Model 90W-379 Furnace
- Figure 12 - Connecting 90-452W Chiller to Models 90-412 or 90-415 Fan Coil Unit
- SIZE 90 Series E